public override Vector GetPortPosition(Port port)
{
// map the compass points onto our bounding rectangle
var compass = (CompassPort)port;
return(InnerBounds.GetCorner(compass.CompassPoint));
}
public static float DistanceFromRect(Rect rect, Vector pos)
{
if (rect.Contains(pos))
{
return(0);
}
var nw = rect.GetCorner(CompassPoint.NorthWest);
var ne = rect.GetCorner(CompassPoint.NorthEast);
var sw = rect.GetCorner(CompassPoint.SouthWest);
var se = rect.GetCorner(CompassPoint.SouthEast);
var distanceFromTop = DistanceFromLineSegment(new LineSegment(nw, ne), pos);
var distanceFromRight = DistanceFromLineSegment(new LineSegment(ne, se), pos);
var distanceFromBottom = DistanceFromLineSegment(new LineSegment(se, sw), pos);
var distanceFromLeft = DistanceFromLineSegment(new LineSegment(sw, nw), pos);
return(Math.Min(distanceFromTop, Math.Min(distanceFromLeft, Math.Min(distanceFromBottom, distanceFromRight))));
}
private static void Annotate(XGraphics graphics, Palette palette, LineSegment lineSegment, TextBlock text, StringAlignment alignment)
{
Vector point;
var delta = lineSegment.Delta;
switch (alignment)
{
case StringAlignment.Near:
default:
point = lineSegment.Start;
delta.Negate();
break;
case StringAlignment.Center:
point = lineSegment.Mid;
break;
case StringAlignment.Far:
point = lineSegment.End;
break;
}
var bounds = new Rect(point, Vector.Zero);
bounds.Inflate(Settings.TextOffsetFromConnection);
var angle = (float)-(Math.Atan2(delta.Y, delta.X) / Math.PI * 180.0);
var compassPoint = CompassPoint.East;
if (Numeric.InRange(angle, 0, 45))
{
compassPoint = CompassPoint.NorthWest;
}
else if (Numeric.InRange(angle, 45, 90))
{
compassPoint = CompassPoint.SouthEast;
}
else if (Numeric.InRange(angle, 90, 135))
{
compassPoint = CompassPoint.SouthWest;
}
else if (Numeric.InRange(angle, 135, 180))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, 0, -45))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, -45, -90))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, -90, -135))
{
compassPoint = CompassPoint.NorthWest;
}
else if (Numeric.InRange(angle, -135, -180))
{
compassPoint = CompassPoint.SouthEast;
}
var pos = bounds.GetCorner(compassPoint);
var format = new XStringFormat();
Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, compassPoint);
if (alignment == StringAlignment.Center && Numeric.InRange(angle, -10, 10))
{
// HACK: if the line segment is pretty horizontal and we're drawing mid-line text,
// move text below the line to get it out of the way of any labels at the ends,
// and center the text so it fits onto a line between two proximal rooms.
pos = bounds.GetCorner(CompassPoint.South);
format.Alignment = XStringAlignment.Center;
format.LineAlignment = XLineAlignment.Near;
}
if (!Settings.DebugDisableTextRendering)
{
text.Draw(graphics, Settings.LineFont, palette.LineTextBrush, pos, Vector.Zero, format);
}
}
public static float DistanceFromRect(Rect rect, Vector pos)
{
if (rect.Contains(pos))
{
return 0;
}
var nw = rect.GetCorner(CompassPoint.NorthWest);
var ne = rect.GetCorner(CompassPoint.NorthEast);
var sw = rect.GetCorner(CompassPoint.SouthWest);
var se = rect.GetCorner(CompassPoint.SouthEast);
var distanceFromTop = DistanceFromLineSegment(new LineSegment(nw, ne), pos);
var distanceFromRight = DistanceFromLineSegment(new LineSegment(ne, se), pos);
var distanceFromBottom = DistanceFromLineSegment(new LineSegment(se, sw), pos);
var distanceFromLeft = DistanceFromLineSegment(new LineSegment(sw, nw), pos);
return Math.Min(distanceFromTop, Math.Min(distanceFromLeft, Math.Min(distanceFromBottom, distanceFromRight)));
}
private static void Annotate(XGraphics graphics, Palette palette, LineSegment lineSegment, TextBlock text, StringAlignment alignment, RoomShape? shape = RoomShape.SquareCorners)
{
Vector point;
var delta = lineSegment.Delta;
switch (alignment)
{
case StringAlignment.Near:
default:
point = lineSegment.Start;
delta.Negate();
break;
case StringAlignment.Center:
point = lineSegment.Mid;
break;
case StringAlignment.Far:
point = lineSegment.End;
break;
}
var bounds = new Rect(point, Vector.Zero);
bounds.Inflate(Settings.TextOffsetFromConnection);
var angle = (float) -(Math.Atan2(delta.Y, delta.X)/Math.PI*180.0);
var compassPoint = CompassPoint.East;
if (Numeric.InRange(angle, 0, 45))
{
compassPoint = CompassPoint.NorthWest;
}
else if (Numeric.InRange(angle, 45, 90))
{
compassPoint = CompassPoint.SouthEast;
}
else if (Numeric.InRange(angle, 90, 135))
{
compassPoint = CompassPoint.SouthWest;
}
else if (Numeric.InRange(angle, 135, 180))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, 0, -45))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, -45, -90))
{
compassPoint = CompassPoint.NorthEast;
}
else if (Numeric.InRange(angle, -90, -135))
{
compassPoint = CompassPoint.NorthWest;
}
else if (Numeric.InRange(angle, -135, -180))
{
compassPoint = CompassPoint.SouthEast;
}
var pos = bounds.GetCorner(compassPoint);
var format = new XStringFormat();
Drawing.SetAlignmentFromCardinalOrOrdinalDirection(format, compassPoint);
if (alignment == StringAlignment.Center && Numeric.InRange(angle, -10, 10))
{
// HACK: if the line segment is pretty horizontal and we're drawing mid-line text,
// move text below the line to get it out of the way of any labels at the ends,
// and center the text so it fits onto a line between two proximal rooms.
pos = bounds.GetCorner(CompassPoint.South);
format.Alignment = XStringAlignment.Center;
format.LineAlignment = XLineAlignment.Near;
}
if (!Settings.DebugDisableTextRendering)
text.Draw(graphics, Settings.LineFont, palette.LineTextBrush, pos, Vector.Zero, format);
}
